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Bluetooth probably. Make sure you disable BT in the laptop youre scanning with or smartphone/headset in your pocket

Can you add the max signal seen per channel?

Generally I leave mine on and it hasn't greatly affected my readings since I am expecting to have higher signal levels on my own network. However as a CISSP I advise people to turn off any wireless...

You can use the Device Finder antenna to locate the source of the interference. It may take a while, but might be your only option at this point. If the interference is located to that one area of...

make sure the internal antenna is connected to the card

Are you sure its not the AP failing that causes the noise?

Two things: 1) RSSI values are not calibrated among different manufacturers. There will always be a difference in values with two different cards regardless of what is actually received by the...

Which AP are they trying to connect to? I saw the one on ch 1 and one on ch 11. The ch 11 AP looks fairly low in signal strength and ch 11 is relatively clear except for one spike coming through

Using the Device Finder antenna you just search for the highest signal strength. It is most likely a frequency hopping signal so you should be good to select one peak and slowly search for that one...

The antennas are unrelated to speed in that the number of radio chains will determine what you are actually able to transmit. In optimal conditions you should be able to get 150Mbps per radio. It...

Education might be your first step. Tell everyone to turn off the wifi and bluetooth on their phones and personal devices before they enter the hospital. Aside from the possible interference its a...

One of the biggest problems is the CSMA/CA. If a wireless AP or client hears another station transmitting, it will not transmit. Likewise if two clients cannot hear each other and transmit at the...

So you have to make it work without making any changes to the clients or the infrastructure? Good luck with that.

The best thing to do is contact the owners of the equipment and have them turn down the power of their APs and adjust channel settings accordingly. You can try to increase the power on the devices...

In the Core-Wireless capture, what is on Channel 6? The Bluetooth is definitely present but does anything in the hospital require it? Whats a typical distance between the wireless carts and the AP?...

What other medical equipment is in the area of that wing? MRI, X-rays?

A repeater is part of your network, similar to a client. It's supposed to be there. Other APs or a microwave are not a part of your network and are therefore classified as interference.

The ability to turn the MAC name resolution on or off would be nice, or adding in another column for AP SSID to display both the full MAC and SSID at the same time.